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GET /api/patches/816895/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 816895,
    "url": "http://patchwork.ozlabs.org/api/patches/816895/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1506004213-22620-6-git-send-email-jjhiblot@ti.com/",
    "project": {
        "id": 18,
        "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api",
        "name": "U-Boot",
        "link_name": "uboot",
        "list_id": "u-boot.lists.denx.de",
        "list_email": "u-boot@lists.denx.de",
        "web_url": null,
        "scm_url": null,
        "webscm_url": null,
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1506004213-22620-6-git-send-email-jjhiblot@ti.com>",
    "list_archive_url": null,
    "date": "2017-09-21T14:29:52",
    "name": "[U-Boot,v2,05/26] mmc: add a function to read and test the ext csd (mmc >= 4)",
    "commit_ref": "7382e691ca528785d9d3ca8b74c4811b4f0bfe07",
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "e790d37764b0c152bb80cba9df068bc7ef977d8f",
    "submitter": {
        "id": 70508,
        "url": "http://patchwork.ozlabs.org/api/people/70508/?format=api",
        "name": "Jean-Jacques Hiblot",
        "email": "jjhiblot@ti.com"
    },
    "delegate": {
        "id": 12423,
        "url": "http://patchwork.ozlabs.org/api/users/12423/?format=api",
        "username": "Jaehoon",
        "first_name": "Jaehoon",
        "last_name": "Chung",
        "email": "jh80.chung@samsung.com"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1506004213-22620-6-git-send-email-jjhiblot@ti.com/mbox/",
    "series": [
        {
            "id": 4400,
            "url": "http://patchwork.ozlabs.org/api/series/4400/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/uboot/list/?series=4400",
            "date": "2017-09-21T14:29:47",
            "name": "mmc: Add support for HS200 and UHS modes",
            "version": 2,
            "mbox": "http://patchwork.ozlabs.org/series/4400/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/816895/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/816895/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<u-boot-bounces@lists.denx.de>",
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        ],
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        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com;\n\ts=ti-com-17Q1; t=1506004229;\n\tbh=zNFgRsulMdlaYkL4jGz4ASH8Vj0SivCIg/mGNQw9bwE=;\n\th=From:To:CC:Subject:Date:In-Reply-To:References;\n\tb=vYfoKfF7ArSYd4tCjbZrNC4b7sD0SGwp4vxM2fVlKWjifcY5NLdrq0AHk0TlV8Eoy\n\titeXzaGTfxRJWWqDhzRnE8GDUaGXee+Mmh6/eCjnX8PLPiyvawcs2HDsuTCCx1GVP1\n\tN/BWMyzHAD/vVD/xzU3lxBTIOyFTpu3GC70168Go=",
        "From": "Jean-Jacques Hiblot <jjhiblot@ti.com>",
        "To": "<jh80.chung@samsung.com>, <trini@konsulko.com>, <kishon@ti.com>,\n\t<sjg@chromium.org>",
        "Date": "Thu, 21 Sep 2017 16:29:52 +0200",
        "Message-ID": "<1506004213-22620-6-git-send-email-jjhiblot@ti.com>",
        "X-Mailer": "git-send-email 1.9.1",
        "In-Reply-To": "<1506004213-22620-1-git-send-email-jjhiblot@ti.com>",
        "References": "<1506004213-22620-1-git-send-email-jjhiblot@ti.com>",
        "MIME-Version": "1.0",
        "X-EXCLAIMER-MD-CONFIG": "e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180",
        "Cc": "u-boot@lists.denx.de",
        "Subject": "[U-Boot] [PATCH v2 05/26] mmc: add a function to read and test the\n\text csd (mmc >= 4)",
        "X-BeenThere": "u-boot@lists.denx.de",
        "X-Mailman-Version": "2.1.18",
        "Precedence": "list",
        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
        "List-Unsubscribe": "<https://lists.denx.de/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>",
        "List-Archive": "<http://lists.denx.de/pipermail/u-boot/>",
        "List-Post": "<mailto:u-boot@lists.denx.de>",
        "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>",
        "List-Subscribe": "<https://lists.denx.de/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "base64",
        "Errors-To": "u-boot-bounces@lists.denx.de",
        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "content": "This will be reused later in the selection of high speed and ddr modes.\n\nSigned-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>\nReviewed-by: Simon Glass <sjg@chromium.org>\n---\n drivers/mmc/mmc.c | 53 +++++++++++++++++++++++++++++++++--------------------\n 1 file changed, 33 insertions(+), 20 deletions(-)",
    "diff": "diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c\nindex cfdfd8d..d360a1a 100644\n--- a/drivers/mmc/mmc.c\n+++ b/drivers/mmc/mmc.c\n@@ -1146,10 +1146,39 @@ static int sd_select_bus_freq_width(struct mmc *mmc)\n \treturn 0;\n }\n \n-static int mmc_select_bus_freq_width(struct mmc *mmc)\n+/*\n+ * read the compare the part of ext csd that is constant.\n+ * This can be used to check that the transfer is working\n+ * as expected.\n+ */\n+static int mmc_read_and_compare_ext_csd(struct mmc *mmc)\n {\n-\tALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, MMC_MAX_BLOCK_LEN);\n+\tint err;\n \tconst u8 *ext_csd = mmc->ext_csd;\n+\tALLOC_CACHE_ALIGN_BUFFER(u8, test_csd, MMC_MAX_BLOCK_LEN);\n+\n+\terr = mmc_send_ext_csd(mmc, test_csd);\n+\tif (err)\n+\t\treturn err;\n+\n+\t/* Only compare read only fields */\n+\tif (ext_csd[EXT_CSD_PARTITIONING_SUPPORT]\n+\t\t== test_csd[EXT_CSD_PARTITIONING_SUPPORT] &&\n+\t    ext_csd[EXT_CSD_HC_WP_GRP_SIZE]\n+\t\t== test_csd[EXT_CSD_HC_WP_GRP_SIZE] &&\n+\t    ext_csd[EXT_CSD_REV]\n+\t\t== test_csd[EXT_CSD_REV] &&\n+\t    ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]\n+\t\t== test_csd[EXT_CSD_HC_ERASE_GRP_SIZE] &&\n+\t    memcmp(&ext_csd[EXT_CSD_SEC_CNT],\n+\t\t   &test_csd[EXT_CSD_SEC_CNT], 4) == 0)\n+\t\treturn 0;\n+\n+\treturn -EBADMSG;\n+}\n+\n+static int mmc_select_bus_freq_width(struct mmc *mmc)\n+{\n \t/* An array of possible bus widths in order of preference */\n \tstatic const unsigned int ext_csd_bits[] = {\n \t\tEXT_CSD_DDR_BUS_WIDTH_8,\n@@ -1221,25 +1250,9 @@ static int mmc_select_bus_freq_width(struct mmc *mmc)\n \t\tmmc->ddr_mode = (caps & MMC_MODE_DDR_52MHz) ? 1 : 0;\n \t\tmmc_set_bus_width(mmc, widths[idx]);\n \n-\t\terr = mmc_send_ext_csd(mmc, test_csd);\n-\n-\t\tif (err)\n-\t\t\tcontinue;\n-\n-\t\t/* Only compare read only fields */\n-\t\tif (ext_csd[EXT_CSD_PARTITIONING_SUPPORT]\n-\t\t\t== test_csd[EXT_CSD_PARTITIONING_SUPPORT] &&\n-\t\t    ext_csd[EXT_CSD_HC_WP_GRP_SIZE]\n-\t\t\t== test_csd[EXT_CSD_HC_WP_GRP_SIZE] &&\n-\t\t    ext_csd[EXT_CSD_REV]\n-\t\t\t== test_csd[EXT_CSD_REV] &&\n-\t\t    ext_csd[EXT_CSD_HC_ERASE_GRP_SIZE]\n-\t\t\t== test_csd[EXT_CSD_HC_ERASE_GRP_SIZE] &&\n-\t\t    memcmp(&ext_csd[EXT_CSD_SEC_CNT],\n-\t\t\t   &test_csd[EXT_CSD_SEC_CNT], 4) == 0)\n+\t\terr = mmc_read_and_compare_ext_csd(mmc);\n+\t\tif (!err)\n \t\t\tbreak;\n-\n-\t\terr = -EBADMSG;\n \t}\n \n \tif (err)\n",
    "prefixes": [
        "U-Boot",
        "v2",
        "05/26"
    ]
}